Evaluate the expression for the given replacement values.2x - y
for x = 9, y = -10
A. 3
B. 21
C. 28
D. 8
Answer: C
Mathematics
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Give the equations of any horizontal asymptotes for the graphs of the rational functions.h(x) = 
A. none
B. y = 4
C. y = 3
D. y = 
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.Some number increased by 80
A. 80 B. 80x C. x + 80 D. x - 80
Mathematics
Solve the problem.Find the median for the scores: 261, 410, 71, 432, 141, 218.
A. 261 B. 239.5 C. 218 D. 219.5
Mathematics
Let v be the vector from initial point P1 to terminal point P2. Write v in terms of i and j.P1 = (-1, 2); P2 = (4, -4)
A. v = 5i - 6j B. v = 2i - 3j C. v = -3i + 2j D. v = -6i + 5j
Mathematics